PC installed, but won't play Devil May Cry 4

I just purchased DMC 4 and the installation went fine; It installed Direct X 9 and all that, but when I try to launch the game, my computer says: Devil May Cry has encountered a problem and needs to close...etc.

Windows XP
AMD Sempron (tm) 2800+ 2.00 GHz 256MB of RAM

I tried to install it on my other computer too, but that one didn't even read the disc.

If it helps my other pc is also Windows XP has more GHz ( I think) and 512 RAM.

i've played dmc4 on my computer for some time but now, when i launch it i've got an error report..."devil may cry 4 has encountered a problem and needs to close...we are sorry for the inconvenience".Does anyone know what should i do??

i've played dmc4 on my computer for some time but now, when i launch it i've got an error report..."devil may cry 4 has encountered a problem and needs to close...we are sorry for the inconvenience".Does anyone know what should i do??

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